4.115
Last change
on this file since eea7c937 was
8581725,
checked in by Sebastian Huber <sebastian.huber@…>, on 08/05/13 at 12:25:41
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score: Add and use _Per_CPU_Acquire_all().
Add and use _Per_CPU_Release_all().
The context switch user extensions are invoked in _Thread_Dispatch().
This change is necessary to avoid the giant lock in _Thread_Dispatch().
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Property mode set to
100644
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File size:
868 bytes
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1 | /** |
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2 | * @file |
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3 | * |
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4 | * @ingroup ScoreUserExt |
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5 | * |
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6 | * @brief User Extension Handler implementation. |
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7 | */ |
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8 | |
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9 | /* |
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10 | * COPYRIGHT (c) 1989-2007. |
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11 | * On-Line Applications Research Corporation (OAR). |
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12 | * |
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13 | * The license and distribution terms for this file may be |
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14 | * found in the file LICENSE in this distribution or at |
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15 | * http://www.rtems.com/license/LICENSE. |
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16 | */ |
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17 | |
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18 | #if HAVE_CONFIG_H |
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19 | #include "config.h" |
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20 | #endif |
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21 | |
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22 | #include <rtems/score/userextimpl.h> |
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23 | #include <rtems/score/percpu.h> |
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24 | |
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25 | void _User_extensions_Remove_set ( |
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26 | User_extensions_Control *the_extension |
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27 | ) |
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28 | { |
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29 | _Chain_Extract( &the_extension->Node ); |
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30 | |
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31 | /* |
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32 | * If a switch handler is present, remove it. |
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33 | */ |
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34 | |
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35 | if ( the_extension->Callouts.thread_switch != NULL ) { |
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36 | ISR_Level level; |
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37 | |
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38 | _Per_CPU_Acquire_all( level ); |
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39 | _Chain_Extract_unprotected( &the_extension->Switch.Node ); |
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40 | _Per_CPU_Release_all( level ); |
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41 | } |
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42 | } |
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